Hydroxylapatite
Hughes J M, Cameron M, Crowley K D
American Mineralogist 74 (1989) 870-876
Structural variations in natural F, OH, and Cl apatites
Locality: Holly Springs, Georgia, USA
_database_code_amcsd 0001257
9.4166 9.4166 6.8745 90 90 120 P6_3/m
atom       x      y      z occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Ca1      2/3    1/3 .00144          .00408 .00408 0.0033 .00204      0      0
Ca2  -.00657 .24706    .25          .00308 .00353 .00417 .00156      0      0
P     .36860 .39866    .25          .00223 .00250 0.0034 .00127      0      0
O1     .4850  .3289    .25          0.0036 0.0044 0.0059  .0027      0      0
O2     .4649  .5871    .25          0.0035 0.0031 0.0105  .0016      0      0
O3     .2580  .3435  .0703          0.0050 0.0096 0.0070 .00505 -.0025 -.0041
O(H)       0      0  .1979  .5      0.0030 0.0030  0.012  .0015      0      0
H          0      0    .04  .5  3.3